EE
NTroubleshootingN
GG
LL
II
SPreliminary StepsCautions:Â Common (continued)S
H!Do not use the unit in an irregular condition,HCheck and take steps as described in the tables below.
ProblemPossible cause a Possible solution
for example, without sound, or with smoke or
6263
If You Suspect Something is Wrongfoul smell, which can cause a fire or electric
shock. Immediately stop using the unit andThe sound field is notThe plus and minus terminals at right and left channels of speakers are con-
Immediately switch power off.clear in the stereonected reversely.
call the store where you purchased it.
Disconnect the power cable and check that there is neither smokemode. Central sound isaPerform the speaker wiring in accordance with the wiring diagram.
!Never try to repair the unit by yourself due to
nor heat from the unit before asking for repairs. Never try to repairnot settled.
risk of electrical injury and potential damage
the unit yourself because it is dangerous to do so.
to electrical safety equipment.
 Common
 Display Settings
aProblemPossible causePossible solution
ProblemPossible cause a Possible solution
The power cord (battery, ACC and ground) is connected in the wrong way.
a Check the wiring.The brightness of theOAUTO� dimmer is selected.
aSelect one of the dimmer levels from among 1 to 4 to make the dimmer
No power to the unitscreen is not stable.
Fuse blowoutadjustment become indpendent of light intensity.
a Eliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.The screen is not adjusted properly.The picture is dark. The pic-
ture is whitish. Something is
aMake every adjustment of the screen.
MUTE is set to ON.wrong with the picture.
The picture is light in color.
Sound is not a Set MUTE to OFF.
generated
The wiring of the speaker lines is not correct, or a break or poor contact exists.The display does not
The monitor stops on the way to the home position.
a Check the wiring in accordance with the wiring diagram.go back into the unit.aPress [ ] (OPEN/CLOSE).
There is an electromagnetic-wave generator such as a cellular phone near the
Red, blue, or green
unit or its electrical lines.This is a characteristic of liquid crystal panels and is not a problem.
a Keep an electromagnetic-wave generator such as a cellular phone awayspots appears.
from the unit and the wiring of the unit. In case that noise cannot be elim-
Noiseinated due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
 Remote Control
a Make sure that the ground lead is securely connected to an unpainted
part of the chassis.
ProblemPossible cause a Possible solution
Noise is made in stepAlternator noise comes from the car.
with engine revolu-aChange the wiring position of the ground lead.Battery poles (+) (�) are reversed.
tions.aMount a noise filter on the power supply.aInsert the battery correctly.
Some operations are not executable in particular modes such as menu mode.
Some operations areWrong battery.
a Read the operating instructions carefully and change the mode. In case
not executable.Pressing buttons doesaCheck the battery.
the unit is still out of order, consult your dealer.
not perform opera-
tions.
Some sound setting (Example: BAL/FAD, PáMODE, SP SETUP or Dolby PrologicBattery has run down.
II) is not appropriate.aReplace the battery.
a Readjust the sound setting (BAL/FAD, PáMODE, SP SETUP or Dolby
No sound from speak-Prologic II, etc.)
Remote control is facing in the wrong direction.
er(s)
aDirect the remote control at remote control sensor on the display unit.
There is a break, a short circuit, poor contact or wrong wiring regarding the
speaker wiring.
a Check the speaker wiring.
The speaker channelsThe speaker wiring is confused between right and left.
 TV
are reversed betweena Perform the speaker wiring in accordance with the wiring diagram.
right and left.
ProblemPossible cause a Possible solution
The intensity of the radio wave is too low.
aChange the broadcast station.
Unclear image due to
noise
Connection or installation of the TV antenna has not been performed correctly.
aCheck the connection or installation.
7879
CQ-VD7700U/VD7500UCQ-VD7700U/VD7500U |
ACEC
